3RB2283-4AA1
The 3RB2283-4AA1 is a SIRIUS 3RB22/23 series electronic evaluation unit. It requires an external current transformer and covers a current range of 0.3~630A. It is suitable for S00~S12 housings, has 2NO+2NC contacts, and offers adjustable tripping levels of 5/10/20/30. It can be manually or automatically reset.
Product Positioning
The 3RB2283-4AA1 is a Siemens SIRIUS series electronic motor protection evaluation unit. It must be used with an external current transformer (3RB29 series). Depending on the housing and transformer, it covers a wide current range of 0.3~630A, suitable for the all-round protection needs of large motors.
Core Product Advantages and Features
Wide current coverage
When paired with an external current transformer, it can cover the protection needs of motors with various housing sizes from 0.3 to 630A and from S00 to S12.
The breakout level is adjustable.
Offers CLASS 5/10/20/30 trip level selection, allowing for flexible adjustment of the protection curve based on motor starting characteristics.
2NO+2NC contact design
It is equipped with two sets of normally open and two sets of normally closed auxiliary contacts, which facilitates the connection of control circuits and signal feedback.
Manual/Automatic Reset
It supports both manual and automatic reset modes, which can be flexibly switched according to the needs of the production line.
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